1.15.0

• Fix missing field: default.node_sound_snow_defaults (ClobberXD)
• Add vote_kick privilege to grant access to kick voting (MinetestSam)
• Fix accidental inclusion of 5.0-only methods (ClobberXD)
• Fix EOM shown before winner_player is initialized (ClobberXD)
• Modify ammo recipe and add a new recipe that uses tin (LoneWolfHT)
• Update stairs to latest MTG version (ClobberXD)
• Delete default/crafting.lua (ClobberXD)
• Improve crafting recipe of ladder_wood (ClobberXD)
• Fix furnace and axe recipes (MinetestSam)
• Add validation to map detection, to fix some issues (AKryukov92)
• Remove maps, because they're now in another repo (ClobberXD)